Home / 993,221.61-1,370,690.96-585,340.67

Finding the Fourth Proportional to 993,221.61, 1,370,690.96 and 585,340.67

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Solution

The fourth proportional to 993,221.61, 1,370,690.96 and 585,340.67 is: 807,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,221.61 : 1,370,690.96 = 585,340.67 : x
  2. Step 2: Convert to fraction form
    993,221.61/1,370,690.96 = 585,340.67/x
  3. Step 3: Cross multiply
    993,221.61x = 1,370,690.96 × 585,340.67
  4. Step 4: Simplify right side
    993,221.61x = 802,321,155,109.19
  5. Step 5: Solve for x
    x = 802,321,155,109.19/993,221.61
  6. Step 6: Final answer
    x = 807,796.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.